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Outboard motor

a technology for outboard motors and motors, applied in the field of outboard motors, can solve the problems of high cost, inconvenient installation of electronic control units inside outboard motors, complex structure of electronic control units, etc., and achieve the effect of simple structure and enhanced mounting layout freedom

Active Publication Date: 2007-03-27
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The invention is an outboard motor that has a simple electronic control unit that can withstand vibration and heat. It also allows for better mounting flexibility. The motor has an electric motor that can rotate the propeller, a battery to power the motor, and a controller to manage the engine and electric motor. This results in a more efficient and reliable outboard motor that is easier to install and use.

Problems solved by technology

The electronic control unit therefore becomes complex in structure and high in cost.
In addition, installation of the electronic control unit inside the outboard motor is inconvenient because the limited interior space of the outboard motor leaves little mounting layout freedom.

Method used

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Embodiment Construction

[0015]An outboard motor according to a preferred embodiment of the present invention will now be explained with reference to the attached drawings.

[0016]FIG. 1 is a partially sectional view of the outboard motor according to the preferred embodiment of the invention.

[0017]The outboard motor is designated by reference numeral 10 in FIG. 1. The outboard motor 10 is mounted on the stern (transom) 18 of a boat or hull 16 by means of two stern brackets 14 (only one shown in FIG. 1) equipped with a screw-type clamping device 12.

[0018]The outboard motor 10 is equipped with an internal combustion engine (power source; hereinafter called “engine”) 20 at its upper portion in the vertical direction. The engine 20 is a one-cylinder gasoline engine with a displacement of about 50 cc. As shown in the drawing, the engine 20 has its crankshaft (output shaft) 22 aligned parallel to the vertical direction. The engine 20 and crankshaft 22 are enclosed by an engine cover 24.

[0019]As termed hereinafter,...

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PUM

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Abstract

In an outboard motor adapted for mounting on a boat and equipped with an internal combustion engine, an electric motor, a battery for supplying voltage to the engine and electric motor, and a controller for controlling the operation of the electric motor, the controller is disposed near the battery. In other words, the controller is not installed on the outboard motor side where the engine and the like are present but on the boat side where the battery is installed. As a result, the effect of the vibration and heat of the engine on the controller is minimized so that the controller can utilize simpler structural features for vibration and heat resistance and is also advantageous in terms of cost.

Description

BACKGROUND OF THE INVENTION[0001]1. Field of the Invention[0002]This invention relates to an outboard motor, particularly to a hybrid outboard motor equipped with an internal combustion engine and an electric motor which are used as power sources for driving a propeller.[0003]2. Description of the Related Art[0004]Hybrid outboard motors adapted for mounting on a boat and equipped with an engine and a motor used as power sources for driving a propeller have been developed in a variety of types, as taught, for example, by Japanese Laid-Open Utility Model Application No. Sho 63(1988)-158493, particularly FIGS. 1 and 4.[0005]In such an outboard motor, an electronic control unit or controller for controlling the operation of either or both of the engine and the motor is, as shown in Japanese Laid-Open Patent Application No. Hei 10(1998)-37780, particularly FIG. 3, installed on the outboard motor, namely, inside the outboard motor.[0006]Owing to the fact that the engine installed in the o...

Claims

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Application Information

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Patent Type & Authority Patents(United States)
IPC IPC(8): B60L11/00
CPCB63H20/007
Inventor WATABE, HIROSHIOHTOMO, YOSHIOHIROSE, YOSHIHISA
Owner HONDA MOTOR CO LTD